From 4edb88112409c111790dacacb06c22de2ef8da06 Mon Sep 17 00:00:00 2001 From: Paul Stansifer Date: Sat, 20 Oct 2012 21:54:25 -0400 Subject: [PATCH] Talk about ends, rather than means, in macro tutorial introduction. --- doc/tutorial-macros.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/doc/tutorial-macros.md b/doc/tutorial-macros.md index c7e1ada648e9b..40cbcacf1e1b0 100644 --- a/doc/tutorial-macros.md +++ b/doc/tutorial-macros.md @@ -2,11 +2,11 @@ # Introduction -Functions are the primary tool that programmers can use to build -abstractions. Sometimes, though, programmers want to abstract over -compile-time, syntactic structures rather than runtime values. For example, -the following two code fragments both pattern-match on their input and return -early in one case, doing nothing otherwise: +Functions are the primary tool that programmers can use to build abstractions. +Sometimes, however, programmers want to perform abstractions over things that are not +runtime values. Macros provide a syntactic abstraction. For an example of how this +can be useful, consider the following two code fragments, which both pattern-match +on their input and return early in one case, and do nothing otherwise: ~~~~ # enum t { special_a(uint), special_b(uint) };